Add ability to pan when zoomed in the Orion Map module

[bepedersen]

The ability to pan when zoomed into the map would be very helpful when creating larger maps. Either via scroll bars or a "pan hand".

[jblankjblank]

The ability to PAN already exists. If you click the space bar you should see a change in the cursor which allows you to pan the map. 

Clicking More and then Help will take you to the following doc which provides a list of these controls - 

https://www.solarwinds.com/documentation/en/flarehelp/orionplatform/content/core-orion-maps-create-m...